Home
Class 12
BIOLOGY
A : in morula stage the cells divide w...

A : in morula stage the cells divide without any increase in size
R : zona pellucida remains intact till cleavage is completed

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ANIMAL KINGDOM -NONCHORDATES

    TRUEMAN BIOLOGY|Exercise MCQ|283 Videos
  • APPLICATION OF BIOTECHNOLOGY

    TRUEMAN BIOLOGY|Exercise Multiple Choice Questions|122 Videos

Similar Questions

Explore conceptually related problems

[A] : Natural populations are capable of an enormous and rapid increase is numbers but for the most part remain relatively constant in size . [R] : Human interference has led to constancy in the size of the natural populations .

Without expanding at any stage, prove that the value of each of the following determinants is zero. (1) |[0,p-q,p-r],[q-p,0,q-r],[r-p,r-q,0]| (2) |[41,1,5],[79,7,9],[29,5,3]| (3) |[1,w,w^2],[w,w^2,1],[w^2,1,w]| , where w is cube root of unity

TRUEMAN BIOLOGY-Animal Physiology -ASSERTION AND REASON
  1. [A] : Amniotic fluid serves as a protective cushion. [R]: It breaks...

    Text Solution

    |

  2. [A]: Entry of sperm brings about a rearrangement of materials of cytop...

    Text Solution

    |

  3. A : in morula stage the cells divide without any increase in siz...

    Text Solution

    |

  4. [A]: Brain does not affect in the absence of glucose. [R]: Glucose ...

    Text Solution

    |

  5. [A]: After operation, menstrual cycle in woman may be stopped. [R]...

    Text Solution

    |

  6. Assertion : In placental mammals the placenta is connected to the e...

    Text Solution

    |

  7. Assertion: Smaller the organism higher is the rate of metabolism per g...

    Text Solution

    |

  8. [A] : Haversian canals are inter connecting canals that run usually lo...

    Text Solution

    |

  9. [A]: Conjunctiva is composed of squamous epithelium and is continuous ...

    Text Solution

    |

  10. [A]: During ovarian cycle follicles are controlled by gonadotropic hor...

    Text Solution

    |

  11. [A] : Hydrostatic pressure in blood forces water and other solutes of...

    Text Solution

    |

  12. [A]: Emboly involves the invagination and involution through bottling ...

    Text Solution

    |

  13. [A]: Each testis is attached to the abdominal wall by a ligament and u...

    Text Solution

    |

  14. [A]: Taste buds are called the sense organs for olfaction [R]: Tas...

    Text Solution

    |

  15. (A]: Little rotation and bending of the vertebral column is possible. ...

    Text Solution

    |

  16. Assertion - Muscle as a whole does not obey All-or-none law. Reaso...

    Text Solution

    |

  17. [A]: Generally the intraspecific competition is more intense than inte...

    Text Solution

    |

  18. [A]: The tadpoles become giant tadpoles when fed on thiourea. [R]: ...

    Text Solution

    |

  19. [A]: Pinna of ear is quite elastic and pliable. [R]: Pinna Qf ear ...

    Text Solution

    |

  20. [A]: Muscle twitch is related with tetanus [R]: Tetanus is caused b...

    Text Solution

    |